perf build: Add build-test for libunwind cross-platforms support

Currently only test for local libunwind. We should check all supported
platforms so we can use them to parse perf.data with callchain info on
different machines.

Signed-off-by: He Kuang <hekuang@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1462866037-30382-4-git-send-email-hekuang@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 9f878619077aeb9ecbb50f87b381706d083def37..7e36e91ef6d4057d7a06990dbfc098119e3da337 100644 (file)
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -49,6 +49,10 @@ FEATURE_TESTS_BASIC :=                       \
        libslang                        \
        libcrypto                       \
        libunwind                       \
+       libunwind-x86                   \
+       libunwind-x86_64                \
+       libunwind-arm                   \
+       libunwind-aarch64               \
        pthread-attr-setaffinity-np     \
        stackprotector-all              \
        timerfd                         \

diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 4ae94dbfdab98d5181e18d9d8864a24f942bdc53..f4fe3bc59b60bb5addd3a7f365d5747d7c7a8245 100644 (file)
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -27,6 +27,10 @@ FILES=                                       \
        test-libcrypto.bin              \
        test-libunwind.bin              \
        test-libunwind-debug-frame.bin  \
+       test-libunwind-x86.bin          \
+       test-libunwind-x86_64.bin       \
+       test-libunwind-arm.bin          \
+       test-libunwind-aarch64.bin      \
        test-pthread-attr-setaffinity-np.bin    \
        test-stackprotector-all.bin     \
        test-timerfd.bin                \
@@ -103,6 +107,18 @@ $(OUTPUT)test-libunwind.bin:
 
 $(OUTPUT)test-libunwind-debug-frame.bin:
        $(BUILD) -lelf
+$(OUTPUT)test-libunwind-x86.bin:
+       $(BUILD) -lelf -lunwind-x86
+
+$(OUTPUT)test-libunwind-x86_64.bin:
+       $(BUILD) -lelf -lunwind-x86_64
+
+$(OUTPUT)test-libunwind-arm.bin:
+       $(BUILD) -lelf -lunwind-arm
+
+$(OUTPUT)test-libunwind-aarch64.bin:
+       $(BUILD) -lelf -lunwind-aarch64
+
 
 $(OUTPUT)test-libaudit.bin:
        $(BUILD) -laudit

diff --git a/tools/build/feature/test-libunwind-aarch64.c b/tools/build/feature/test-libunwind-aarch64.c
new file mode 100644 (file)
index 0000000..fc03fb6
--- /dev/null
+++ b/tools/build/feature/test-libunwind-aarch64.c
@@ -0,0 +1,26 @@
+#include <libunwind-aarch64.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+                                              unw_word_t ip,
+                                              unw_dyn_info_t *di,
+                                              unw_proc_info_t *pi,
+                                              int need_unwind_info, void *arg);
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+       unw_addr_space_t addr_space;
+
+       addr_space = unw_create_addr_space(&accessors, 0);
+       if (addr_space)
+               return 0;
+
+       unw_init_remote(NULL, addr_space, NULL);
+       dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+       return 0;
+}

diff --git a/tools/build/feature/test-libunwind-arm.c b/tools/build/feature/test-libunwind-arm.c
new file mode 100644 (file)
index 0000000..632d95e
--- /dev/null
+++ b/tools/build/feature/test-libunwind-arm.c
@@ -0,0 +1,27 @@
+#include <libunwind-arm.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+                                              unw_word_t ip,
+                                              unw_dyn_info_t *di,
+                                              unw_proc_info_t *pi,
+                                              int need_unwind_info, void *arg);
+
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+       unw_addr_space_t addr_space;
+
+       addr_space = unw_create_addr_space(&accessors, 0);
+       if (addr_space)
+               return 0;
+
+       unw_init_remote(NULL, addr_space, NULL);
+       dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+       return 0;
+}

diff --git a/tools/build/feature/test-libunwind-x86.c b/tools/build/feature/test-libunwind-x86.c
new file mode 100644 (file)
index 0000000..3561edc
--- /dev/null
+++ b/tools/build/feature/test-libunwind-x86.c
@@ -0,0 +1,27 @@
+#include <libunwind-x86.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+                                              unw_word_t ip,
+                                              unw_dyn_info_t *di,
+                                              unw_proc_info_t *pi,
+                                              int need_unwind_info, void *arg);
+
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+       unw_addr_space_t addr_space;
+
+       addr_space = unw_create_addr_space(&accessors, 0);
+       if (addr_space)
+               return 0;
+
+       unw_init_remote(NULL, addr_space, NULL);
+       dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+       return 0;
+}

diff --git a/tools/build/feature/test-libunwind-x86_64.c b/tools/build/feature/test-libunwind-x86_64.c
new file mode 100644 (file)
index 0000000..5add251
--- /dev/null
+++ b/tools/build/feature/test-libunwind-x86_64.c
@@ -0,0 +1,27 @@
+#include <libunwind-x86_64.h>
+#include <stdlib.h>
+
+extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as,
+                                              unw_word_t ip,
+                                              unw_dyn_info_t *di,
+                                              unw_proc_info_t *pi,
+                                              int need_unwind_info, void *arg);
+
+
+#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)
+
+static unw_accessors_t accessors;
+
+int main(void)
+{
+       unw_addr_space_t addr_space;
+
+       addr_space = unw_create_addr_space(&accessors, 0);
+       if (addr_space)
+               return 0;
+
+       unw_init_remote(NULL, addr_space, NULL);
+       dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL);
+
+       return 0;
+}